<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
<!--    <meta name="viewport" content="width=device-width,initial-scale=1.0">-->
    <title>music-back</title>
    <style>
      html, body, #app {
        font-family: 'Helvetica Neue', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif;
        height: 100%;
        padding: 0;
        margin: 0;
        font-size: 15px;
      }
    </style>
  </head>
  <body>
    <div id="app"></div>
  </body>
</html>
